摘要:
A key support member of a keyboard assembly pivotally supports a plurality of keys each including a body, a hinge portion, and a rear end portion. A movably-mounting device is used to mount the keys onto the key support member via the rear end portion of the each of the keys in a manner such that the keys can be moved by moving the rear end portion of the each of the keys. When the keys have been mounted on the key support member, the movably-mounting device engages the keys with the key support member in a manner such that the keys are movable relative to the key support member.
摘要:
A percussion detecting apparatus capable of enhancing an effect of disturbance interception by intercepting a micro-vibration conveyed from a support frame. A pad member has a pad having a back-side surface to which a base is fixed, and a percussion sensor is disposed on a back-side surface of the base. The pad member is supported by a frame via fixing members integral with the pad member and intervening members made of silicon rubber. Vertical protrusions having different protrusion heights are formed on an upper surface of a flange of each intervening member, and horizontal protrusions are formed on an inner peripheral surface of a through-hole of each intervening member. When the pad member in an unstruck state, each fixing member is in contact with a corresponding one of the intervening members only at the vertical and horizontal protrusions of the intervening member.
摘要:
Respective sets of black keys and white keys of respective octaves of a keyboard 10 are defined as specific key range, respectively, to assign various tone colors of percussion instruments of a drum set to a plurality of keys included in the respective specific key ranges of the octaves. A specific key range has secondary key ranges to assign tone colors produced by different playing techniques of the same musical instrument. A depression of any key of a specific key range results in generation of a musical tone having a tone color of a percussion instrument assigned to the specific key range. To a pedal unit 20, a tone color of “bass drum” is assigned. Tone colors of “hi-hat” assigned to the keyboard 10 are controlled such that a depression of any key to which “hi-hat” is assigned with or without operation of the pedal unit 20 results in generation of a musical tone of open hi-hat or closed hi-hat.
摘要:
Trace shape information, representing the shape of a trace along which an object has moved across a game field in a virtual game world is updated based on the change in the position where the object is located in the virtual game world. A ground texture is produced by blending together an image of the game field in the virtual game world with the trace and that without the trace based on the trace shape information. The game field in the virtual game world is rendered by using the ground texture. Then, the virtual game world, in which the object has been placed, is displayed on a display device.
摘要:
A white key for a keyboard musical instrument comprises a key body made of resin in the form of a hollow box shape having an upper wall to be pressed by an instrument player and vertical walls extending downward from the periphery of the upper wall. The upper wall of the key includes a wide part and a narrow part, the narrow part providing a space to accommodate a black key. The upper wall has a thickness not exceeding 1.5 mm and the wide part has a projection extending from the upper wall downward. The projection may be in the form of a rib bridging the vertical walls or of columns extruding from the lower surface of the upper wall. The frequency band of a vibration mode due to a deformation of the upper wall caused when struck by the player's finger is shifted higher when compared with the case where no projection is provided.
摘要:
In an electronic keyboard instrument, each key moves from an initial position to a full stroke position via first, second, and third positions sequentially. A velocity detector detects a first key velocity of the key when the key moves from the first position to the second position, and detects a second key velocity of the key when the key further moves from the second position to the third position. A predictor obtains a predicted key-on time and a predicted key velocity based on the first key velocity, provided that the first key velocity is greater than a predetermined threshold velocity. A tone generator generates a musical sound signal based on the first key velocity and the predicted key velocity if the second key velocity is not detected before the predicted key-on time.
摘要:
Frame on which a plurality of keys are operably mounted has a continuous surface defining a channel-shaped concave section extending in a direction where the keys are arranged, and a body section in which the frame is mounted has a supporting surface that contacts opposite sides of an opening of the channel-shaped concave section of the frame. The opposite sides of the opening of the channel-shaped concave section of the frame are fixed to the supporting surface of the body section. Thus, a closed-section structure is formed by the channel-shaped concave section of the frame and the supporting surface of the body section, which constitutes a semi monocoque structure extending in the key-arranged direction. Such a structure can enhance bending rigidity and twisting rigidity relative to the key-arranged direction.
摘要:
As an example, a value obtained by adding the magnitudes of a plurality of angular velocities around respective axes indicated by angular velocity data obtained from an input device including gyroscopic sensors, is used to calculate a rotation parameter indicating a rotation amount. A predetermined object which is rotated, depending on the rotation amount corresponding to the rotation parameter, is displayed on a display device. As another example, when it is determined, based on the angular velocity data, that the attitude of the input device is stable, a stability flag which indicates that the attitude of the input device has been at least once stable is set and updated to ON. When there is an input device whose stability flag is OFF, the aforementioned determination is performed and a screen including a result of the determination is displayed on a display device.
摘要:
An information processing system includes an image output unit, an image reception unit, and a determination unit. The image output unit outputs an image to a document to include first and second images. The first image includes at least one of a character and a symbol which represent at least part of a pair of an attribute name and an attribute value which are included in electronic data. The second image includes a first information image representing at least part of the attribute value, or a second information image representing a storage location of the electronic data. The image reception unit receives the output image of the document and an image of a paper document. The determination unit determines as to whether or not allowing the image of the paper document to be registered.
摘要:
As an example, a value obtained by adding the magnitudes of a plurality of angular velocities around respective axes indicated by angular velocity data obtained from an input device including gyroscopic sensors, is used to calculate a rotation parameter indicating a rotation amount. A predetermined object which is rotated, depending on the rotation amount corresponding to the rotation parameter, is displayed on a display device. As another example, when it is determined, based on the angular velocity data, that the attitude of the input device is stable, a stability flag which indicates that the attitude of the input device has been at least once stable is set and updated to ON. When there is an input device whose stability flag is OFF, the aforementioned determination is performed and a screen including a result of the determination is displayed on a display device.